Automobile slide aerial



May 23, 1939. s. J. MAX

AUTOMOBILE SLIDE AERIAL Filed Oct. 4, 1937 INVENTOR ATTORNEYS WITNESS Patented May 23,

UNITED STATES PATENT OFFICE 2,159,903 AUTOMOBILE SLIDE AERIAL Stephen J. Max, Buffalo, N. Y. Application October 4, 1937, Serial No. 167,271

1 Claim.

This invention relates to radio aerials adapted for motor vehicles and radio receiving sets em ployed in the latter and has for the primary object the provision of an aerial element and a mounting therefor, which will permit said aerial element to be easily extended outwardly of the body of a vehicle when and which may Wholly within the in use so as not to body detr desiring radio reception be moved to lie substantially of the vehicle when not act from the appearance lightning.

With these and other objects in View, this invention consists in struction, to be hereinafter mo claimed.

certain novel features of concombination and arrangement of parts re fully described and For a complete understanding of my invention, reference is to be scription and accompanying had to Athe following dedrawing, in which Figure 1 is a fragmentary vertical sectional View illustrating a motor vehicle body equipped with a radio aerial constructed in accordance with my invention.

Figure 2 is a fragmentary vertical sectional view showing the aerial tially wholly within the Figure 3 is a perspe contact element.

element moved substanbody of the vehicle. ctive view illustrating a Figure 4 is a sectional view taken on the line 4-4 of Figure Referring in detail to the drawing, the numeral I indicates a fragmentary portion of a motor vehicle body, 2 mounted therein and thereof.

an aerial receiving set 3 the lead-in conductor To attach the present invention on the motor vehicle body,

the latter is provided with an opening preferably in the roof construction of the body directly above the windshield and receives therein one end of a supporting sleeve 4 constructed of insulating material. rI'he supporting sleeve substantially parallels the roof of the body within the mounted on the sleeve the roof of the vehicle, of the sleeve located in latter and a bracket 5 is and may be attached on as shown at 6. The end the opening of the body has mounted thereon washers 8 engageable with the inner and outer faces of the body. Nuts 9 are threaded on the sleeve and against the Washers 8 to effect a seal be motor vehicle body.

tween the sleeve and the An aerial element Il) preferably in the form of a tube is slidably supported by the sleeve and one end thereof is equipped with a washer II to abut one of the nuts 9 when the aerial element is fully within the sleeve to exclude weather ele- 5 ments from the sleeve. A cap type set bolt I2 threads into the end of the aerial element I0 and against the washer II. It is preferable that the washers 8 and Il be constructed of rubber or any other material capable of providing an effective l0 seal and which will be yieldable. The aerial element Ill is constructed of conductive material and may be of hollow .formation and has secured thereto a handle I3 operating in a slot I4 formed in the supporting sleeve. Through the use of the 15 handle I3 a person may readily slide the aerial element inwardly and outwardly of the sleeve and when outwardly thereof will be positioned exteriorly of the, body of the motor vehicle.

A ring-like member I5 is mounted on the sup- 20 porting sleeve 4 adjacent to one of the nuts 9 and carries resilient Contact elements I6, the latter being connected to the lead-in conductor 3 of the radio receiving set. The contacts I6 are in alignment with the slot I4 of the sleeve 25 so that when the sleeve is moved forwardly the handle moves into engagement with the contacts I6 thereby establishing an electrical connection between the aerial element and the lead-in conductor 3 of the radio receiving set. The handle I3 is made of electrical conductive material. The bracket 5 is constructed of electrical conductive material and has secured thereon contacts l1 to be engaged by the handle I3 when the aerial is moved fully within the supporting 35 sleeve so as to ground the aerial element onto the body of the vehicle. The aerial element when positioned fully within the supporting sleeve has its connection interrupted with the radio receiving set due to the handle moving out 40 of engagement with the contacts I6. It is to be understood that when the radio receiving set is not in use the aerial element IB is moved inwardly of the supporting sleeve so as not to mar the outward appearance of the vehicle. However, when positioned outwardly of the sleeve it is disposed a proper distance from the vehicle construction so as not to be affected thereby and permit efficient radio reception to be had by the receiving set 2.

What is claimed is:

An aerial for motor vehicles comprising a sleeve having one end mounted in an opening ina wall of a motor vehicle body, an electrical conductive bracket supporting said sleeve on the 55 body of the vehicle, a combined sealing and securing means between the body and the sleeve, an aerial element slidably supported by said sleeve and capable of being moved outwardly thereof to extend exteriorly of the body of the Vehicle, said sleeve having a slot, a handle of electrical conductive material secured on said aerial element and extending through the slot, contact elements carried by the bracket to be engaged by the handle for grounding the aerial element on the body when moved inwardly of said sleeve, Contact elements carried by said sleeve and connected to a radio receiving set to be engaged by the handle When the aerial element is moved outwardly of said sleeve and body of thervehicle.

STEPHEN J. MAX. 

